12850809379 has 2 divisors, whose sum is σ = 12850809380. Its totient is φ = 12850809378.

The previous prime is 12850809329. The next prime is 12850809397. The reversal of 12850809379 is 97390805821.

Together with next prime (12850809397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12850809379 - 2¹⁷ = 12850678307 is a prime.

It is not a weakly prime, because it can be changed into another prime (12850809329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6425404689 + 6425404690.

It is an arithmetic number, because the mean of its divisors is an integer number (6425404690).

Almost surely, 2^12850809379 is an apocalyptic number.

12850809379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12850809379 is an equidigital number, since it uses as much as digits as its factorization.

12850809379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 12850809379 in words is "twelve billion, eight hundred fifty million, eight hundred nine thousand, three hundred seventy-nine".